Surge in US Investment in Taiwan's Equity Market Amid AI Boom

The Taiwan Stock Exchange has experienced a significant influx of American capital, driven by the global artificial intelligence (AI) boom. As of 2025, US investors hold a record US$668 billion in Taiwan equities, which constitutes approximately 23 percent of the exchange's total market capitalization. This surge follows an investment of around US$12 billion into the market during the same year, according to data from BNP Paribas, which draws from the US Treasury's Treasury International Capital reports.

South China Morning Post

US ownership of Taiwan equities has steadily increased over the past decade, rising from 13 percent to its current record high. This trend reflects a growing interest among American investors in Taiwan's advanced semiconductor industry, which is seen as a crucial component of the ongoing AI supercycle. William Bratton, head of cash equity research for Asia-Pacific at BNP Paribas, noted that this investment trend underscores the importance of Taiwan's technology sector in the global market.

South China Morning Post

In the broader context of Asia, Taiwan ranks second only to Japan in terms of total US equity holdings. By the end of 2025, American investors held approximately US$1.25 trillion in Japanese equities, representing about 15 percent of Japan's market capitalization. This comparison highlights Taiwan's significant position as a key player in the semiconductor market, particularly as demand for AI technologies continues to rise.

South China Morning Post

William Bratton emphasized the strategic importance of Taiwan's semiconductor industry, stating, "It’s at record highs," indicating the growing reliance on Taiwan for advanced technology solutions. The influx of US capital is seen as a direct response to the increasing global demand for AI-enabling technologies, positioning Taiwan as a vital hub for innovation.

South China Morning Post

While the surge in US investment is largely viewed positively, some analysts express concerns regarding the potential over-reliance on Taiwan's semiconductor sector. Critics argue that such dependence could pose risks, particularly in the context of geopolitical tensions in the region. They caution that fluctuations in US-Taiwan relations could impact the stability of investments in the Taiwanese market.

South China Morning Post

As the AI boom continues to evolve, further investments from US investors into Taiwan's equity market are anticipated. Stakeholders are closely monitoring the implications of these investments, particularly in light of potential regulatory changes and international relations that could affect the semiconductor industry.

South China Morning Post

• “US ownership of Taiwan equities has been slowly inching up over the last 10 years,” — William Bratton, Head of Cash Equity Research for Asia-Pacific, BNP Paribas

South China Morning Post

• “It’s at record highs.” — William Bratton, Head of Cash Equity Research for Asia-Pacific, BNP Paribas

South China Morning Post